About the Number

201399471

201399470 ← → 201399472

2進数表記:1100000000010001110010101111

漢数字表記:二億百三十九万九千四百七十一

素因数分解:

3 2 × 7 1 × 13 1 × 245909 1

素因数の和:245935
約数の個数: 24
約数和(自身を含む): 358044960
約数和(自身を除く): 156645489

約数列:
[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 245909, 737727, 1721363, 2213181, 3196817, 5164089, 9590451, 15492267, 22377719, 28771353, 67133157, 201399471]

約数ペア:
[(1, 201399471), (3, 67133157), (7, 28771353), (9, 22377719), (13, 15492267), (21, 9590451), (39, 5164089), (63, 3196817), (91, 2213181), (117, 1721363), (273, 737727), (819, 245909)]

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